from The American Heritage® Dictionary of the English Language, 4th Edition
- intransitive v. To collapse inward violently.
- transitive v. To cause to collapse inward violently.
- transitive v. To demolish (a building) by causing to collapse inward.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. to collapse or burst inward violently
from the GNU version of the Collaborative International Dictionary of English
- intransitive v. To burst inward; contrasting with
from The Century Dictionary and Cyclopedia
- To burst inward: opposed to explode.
- To pronounce by implosion.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. burst inward
in-2 + (ex)plode.(American Heritage® Dictionary of the English Language, Fourth Edition)